// 英文名句数据
const quotes = {
  motivational: [
    "The only way to do great work is to love what you do. - Steve Jobs",
    "Believe you can and you're halfway there. - Theodore Roosevelt",
    "It does not matter how slowly you go as long as you do not stop. - Confucius",
    "Success is not final, failure is not fatal: It is the courage to continue that counts. - Winston Churchill",
    "The future belongs to those who believe in the beauty of their dreams. - Eleanor Roosevelt",
    "Don't watch the clock; do what it does. Keep going. - Sam Levenson",
    "The only limit to our realization of tomorrow will be our doubts of today. - Franklin D. Roosevelt",
    "You are never too old to set another goal or to dream a new dream. - C.S. Lewis"
  ],
  nature: [
    "In every walk with nature, one receives far more than he seeks. - John Muir",
    "The clearest way into the Universe is through a forest wilderness. - John Muir",
    "Nature does not hurry, yet everything is accomplished. - Lao Tzu",
    "The earth does not belong to us; we belong to the earth. - Chief Seattle",
    "Keep your love of nature, for that is the true way to understand art more and more. - Vincent van Gogh",
    "The mountains are calling and I must go. - John Muir",
    "In every walk with nature, one receives far more than he seeks. - John Muir",
    "Nature is not a place to visit. It is home. - Gary Snyder"
  ],
  wisdom: [
    "The only true wisdom is in knowing you know nothing. - Socrates",
    "The journey of a thousand miles begins with one step. - Lao Tzu",
    "Be the change that you wish to see in the world. - Mahatma Gandhi",
    "In the end, we will remember not the words of our enemies, but the silence of our friends. - Martin Luther King Jr.",
    "To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment. - Ralph Waldo Emerson",
    "The unexamined life is not worth living. - Socrates",
    "Life is what happens to you while you're busy making other plans. - John Lennon",
    "The only impossible journey is the one you never begin. - Tony Robbins"
  ]
};